Soil Block Recipe Continued

This morning I got 16 core samples from eight beds just like the one in an earlier post. I put them in a homemade tumbler for 10 min along with about a dozen #3 river rock. The coarse compost on top of the core sample must be structurally week because there is not much sign of it now.

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I then put the blocking soil in a microwave for 15 min. to kill all of the weed seeds and any living critters that might do the seedlings harm. This is what the soil looked like after nuking.

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I made one test block to see how it would hold together. It is more porous than it looks in the photo also; I am considering using some vermiculite to make it a lighter soil.

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As usual, all comments are welcome.     John

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Categories: soil blocks | Tags: , , , , , | 5 Comments

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5 thoughts on “Soil Block Recipe Continued

  1. Are you kidding? 15 minutes in a microwave and you still have dirt afterwords? Insane. It’s still nutritous afterwards? Good to know!

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  2. I do a plastic shoe box full at a time and it just fits the MW. It takes 15 min to get to 160-165 deg.

    John

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  3. John, how bad does it smell while you’re nuking it? I probably wouldn’t want to do it in my kitchen, but if I took the microwave out to the garage, would it stink up the microwave so I’d not want to cook with it again? I just made a new batch of blocks and didn’t get the mixture quite as wet as before. I think they are better…looser, but still passing the “pick up” test.

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  4. John, how bad does it smell while you’re nuking it? I probably wouldn’t want to do it in my kitchen, but if I took the microwave out to the garage, would it stink up the microwave so I’d not want to cook with it again? I just made a new batch of blocks and didn’t get the mixture quite as wet as before. I think they are better…looser, but still passing the “pick up” test.

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  5. Surprisingly there is almost no Oder. Mr. H may have you committed though. ;o)
    John

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